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authorerik <erik>2007-02-08 01:45:16 (UTC)
committer erik <erik>2007-02-08 01:45:16 (UTC)
commit2e497f7cae45184184e2416114887095735958f5 (patch) (side-by-side diff)
treea6b399d9bce5854dc7ad6c985b48965cf20680b0
parent853b61f97e718359bef95147ab3c7beb0705acda (diff)
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Each file in this commit has a problem where it is possible to dereference
a pointer without that pointer being valid. This commit fixes each instance of that.
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--core/multimedia/opieplayer/modplug/sndfile.cpp5
-rw-r--r--core/multimedia/opieplayer/vorbis/tremor/block.c6
-rw-r--r--core/multimedia/opieplayer/vorbis/tremor/info.c2
-rw-r--r--noncore/apps/opie-write/qrichtext.cpp69
-rw-r--r--noncore/settings/networksettings2/opietooth2/OTSDPAttribute.cpp3
-rw-r--r--noncore/settings/packagemanager/oipkgconfigdlg.cpp6
6 files changed, 62 insertions, 29 deletions
diff --git a/core/multimedia/opieplayer/modplug/sndfile.cpp b/core/multimedia/opieplayer/modplug/sndfile.cpp
index 1d0d610..799555c 100644
--- a/core/multimedia/opieplayer/modplug/sndfile.cpp
+++ b/core/multimedia/opieplayer/modplug/sndfile.cpp
@@ -1740,5 +1740,8 @@ BOOL CSoundFile::SetPatternName(UINT nPat, LPCSTR lpszName)
char szName[MAX_PATTERNNAME] = ""; // changed from CHAR
if (nPat >= MAX_PATTERNS) return FALSE;
- if (lpszName) lstrcpyn(szName, lpszName, MAX_PATTERNNAME);
+ if (lpszName)
+ lstrcpyn(szName, lpszName, MAX_PATTERNNAME);
+ else
+ return FALSE;
szName[MAX_PATTERNNAME-1] = 0;
if (!m_lpszPatternNames) m_nPatternNames = 0;
diff --git a/core/multimedia/opieplayer/vorbis/tremor/block.c b/core/multimedia/opieplayer/vorbis/tremor/block.c
index 8949253..7b5531b 100644
--- a/core/multimedia/opieplayer/vorbis/tremor/block.c
+++ b/core/multimedia/opieplayer/vorbis/tremor/block.c
@@ -227,6 +227,8 @@ void vorbis_dsp_clear(vorbis_dsp_state *v){
if(v->pcm){
- for(i=0;i<vi->channels;i++)
- if(v->pcm[i])_ogg_free(v->pcm[i]);
+ if (vi) {
+ for(i=0;i<vi->channels;i++)
+ if(v->pcm[i])_ogg_free(v->pcm[i]);
+ }
_ogg_free(v->pcm);
if(v->pcmret)_ogg_free(v->pcmret);
diff --git a/core/multimedia/opieplayer/vorbis/tremor/info.c b/core/multimedia/opieplayer/vorbis/tremor/info.c
index 941695e..3499ae4 100644
--- a/core/multimedia/opieplayer/vorbis/tremor/info.c
+++ b/core/multimedia/opieplayer/vorbis/tremor/info.c
@@ -98,6 +98,6 @@ void vorbis_comment_clear(vorbis_comment *vc){
if(vc->comment_lengths)_ogg_free(vc->comment_lengths);
if(vc->vendor)_ogg_free(vc->vendor);
+ memset(vc,0,sizeof(*vc));
}
- memset(vc,0,sizeof(*vc));
}
diff --git a/noncore/apps/opie-write/qrichtext.cpp b/noncore/apps/opie-write/qrichtext.cpp
index f040f1e..768da44 100644
--- a/noncore/apps/opie-write/qrichtext.cpp
+++ b/noncore/apps/opie-write/qrichtext.cpp
@@ -190,7 +190,10 @@ QTextCursor *QTextDeleteCommand::execute( QTextCursor *c )
{
QTextParagraph *s = doc ? doc->paragAt( id ) : parag;
- if ( !s ) {
+ if ( !s && doc ) {
owarn << "can't locate parag at " << id << ", last parag: " << doc->lastParagraph()->paragId() << "" << oendl;
return 0;
+ } else if ( !doc ) {
+ owarn << "No valid doc" << oendl;
+ return 0;
}
@@ -218,7 +221,10 @@ QTextCursor *QTextDeleteCommand::unexecute( QTextCursor *c )
{
QTextParagraph *s = doc ? doc->paragAt( id ) : parag;
- if ( !s ) {
+ if ( !s && doc ) {
owarn << "can't locate parag at " << id << ", last parag: " << doc->lastParagraph()->paragId() << "" << oendl;
return 0;
+ } else if ( !doc ) {
+ owarn << "No valid doc" << oendl;
+ return 0;
}
@@ -234,4 +240,7 @@ QTextCursor *QTextDeleteCommand::unexecute( QTextCursor *c )
for ( int i = 0; i < (int)text.size(); ++i )
c->gotoNextLetter();
+ } else {
+ owarn << "No valid cursor" << oendl;
+ return 0;
}
@@ -1393,22 +1402,33 @@ struct Q_EXPORT QTextDocumentTag {
-#define NEWPAR do{ if ( !hasNewPar) { \
- if ( !textEditMode && curpar && curpar->length()>1 && curpar->at( curpar->length()-2)->c == QChar_linesep ) \
- curpar->remove( curpar->length()-2, 1 ); \
- curpar = createParagraph( this, curpar, curpar->next() ); styles.append( vec ); vec = 0;} \
- hasNewPar = TRUE; \
- curpar->rtext = TRUE; \
- curpar->align = curtag.alignment; \
- curpar->lstyle = curtag.liststyle; \
- curpar->litem = ( curtag.style->displayMode() == QStyleSheetItem::DisplayListItem ); \
- curpar->str->setDirection( (QChar::Direction)curtag.direction ); \
- space = TRUE; \
- delete vec; vec = new QPtrVector<QStyleSheetItem>( (uint)tags.count() + 1); \
- int i = 0; \
- for ( QValueStack<QTextDocumentTag>::Iterator it = tags.begin(); it != tags.end(); ++it ) \
- vec->insert( i++, (*it).style ); \
- vec->insert( i, curtag.style ); \
- }while(FALSE)
-
+#define NEWPAR do { \
+ if ( !hasNewPar) { \
+ if ( !curpar ) { \
+ owarn << "no current paragraph" << oendl; \
+ return; \
+ } \
+ if ( !textEditMode && curpar && curpar->length()>1 && curpar->at( curpar->length()-2)->c == QChar_linesep ) \
+ curpar->remove( curpar->length()-2, 1 ); \
+ curpar = createParagraph( this, curpar, curpar->next() ); styles.append( vec ); \
+ if ( !curpar ) { \
+ owarn << "failed in creating a new paragraph" << oendl; \
+ return; \
+ } \
+ vec = 0; \
+ } \
+ hasNewPar = TRUE; \
+ curpar->rtext = TRUE; \
+ curpar->align = curtag.alignment; \
+ curpar->lstyle = curtag.liststyle; \
+ curpar->litem = ( curtag.style->displayMode() == QStyleSheetItem::DisplayListItem ); \
+ curpar->str->setDirection( (QChar::Direction)curtag.direction ); \
+ space = TRUE; \
+ delete vec; \
+ vec = new QPtrVector<QStyleSheetItem>( (uint)tags.count() + 1); \
+ int i = 0; \
+ for ( QValueStack<QTextDocumentTag>::Iterator it = tags.begin(); it != tags.end(); ++it ) \
+ vec->insert( i++, (*it).style ); \
+ vec->insert( i, curtag.style ); \
+ } while ( FALSE )
void QTextDocument::setRichText( const QString &text, const QString &context )
@@ -1896,6 +1916,9 @@ void QTextDocument::setRichTextMarginsInternal( QPtrList< QPtrVector<QStyleSheet
int i, mar;
- QStyleSheetItem* mainStyle = curStyle->size() ? (*curStyle)[curStyle->size()-1] : 0;
- if ( mainStyle && mainStyle->displayMode() == QStyleSheetItem::DisplayListItem )
+ QStyleSheetItem* mainStyle = (*curStyle)[curStyle->size()-1];
+ if ( !mainStyle )
+ return;
+
+ if ( mainStyle->displayMode() == QStyleSheetItem::DisplayListItem )
stylesPar->setListItem( TRUE );
int numLists = 0;
@@ -5342,5 +5365,5 @@ int QTextFormatterBreakWords::format( QTextDocument *doc, QTextParagraph *parag,
lastChr = c->c;
// ### next line should not be needed
- if ( painter )
+ if ( c && painter )
c->format()->setPainter( painter );
c = &string->at( i );
diff --git a/noncore/settings/networksettings2/opietooth2/OTSDPAttribute.cpp b/noncore/settings/networksettings2/opietooth2/OTSDPAttribute.cpp
index 9069c09..3fd877f 100644
--- a/noncore/settings/networksettings2/opietooth2/OTSDPAttribute.cpp
+++ b/noncore/settings/networksettings2/opietooth2/OTSDPAttribute.cpp
@@ -296,4 +296,7 @@ UUIDVector OTSDPAttribute::getAllUUIDs() {
}
+ if (!subAttributes)
+ return 0;
+
int os;
for( unsigned int i = 0; i < subAttributes->count(); i++ ) {
diff --git a/noncore/settings/packagemanager/oipkgconfigdlg.cpp b/noncore/settings/packagemanager/oipkgconfigdlg.cpp
index d014378..78a18f7 100644
--- a/noncore/settings/packagemanager/oipkgconfigdlg.cpp
+++ b/noncore/settings/packagemanager/oipkgconfigdlg.cpp
@@ -437,5 +437,7 @@ void OIpkgConfigDlg::initData()
// Get Ipkg execution options
- int options = m_ipkg->ipkgExecOptions();
+ int options = 0;
+ if ( m_ipkg )
+ options = m_ipkg->ipkgExecOptions();
if ( options & FORCE_DEPENDS )
m_optForceDepends->setChecked( true );
@@ -451,5 +453,5 @@ void OIpkgConfigDlg::initData()
m_optVerboseWget->setChecked( true );
- m_optVerboseIpkg->setCurrentItem( m_ipkg->ipkgExecVerbosity() );
+ m_optVerboseIpkg->setCurrentItem( ( m_ipkg ? m_ipkg->ipkgExecVerbosity() : 0 ) );
}